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// $Id$
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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.model;
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import java.util.Iterator;
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import java.util.List;
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import org.eclipse.jface.text.IDocument;
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import org.eclipse.jface.text.ITextSelection;
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import org.eclipse.jface.text.TextSelection;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.jface.viewers.StructuredSelection;
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/**
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 * Extending <code>TextSelection</code> allows us to keep using Eclipse's text selection, while
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 * <code>IStructuredSelection</code> can be used to send an object associated with the selection,
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 * i.e. a property source, to the workbench selection service.
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 *
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 * @author p.ciardelli
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 * @created 03.07.2009
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 * @version 1.0
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 */
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public class LineSelection extends TextSelection implements IStructuredSelection {
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	private StructuredSelection structuredSelection;
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	/**
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	 * <p>Constructor for LineSelection.</p>
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	 *
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	 * @param selection a {@link org.eclipse.jface.text.ITextSelection} object.
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	 * @param document a {@link org.eclipse.jface.text.IDocument} object.
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	 * @param selectedObject a {@link java.lang.Object} object.
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	 */
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	public LineSelection(ITextSelection selection, IDocument document, Object selectedObject) {
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		super(document, selection.getOffset(), selection.getLength());
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		if (selectedObject != null) {
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			this.structuredSelection = new StructuredSelection(selectedObject);
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		} else {
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			this.structuredSelection = StructuredSelection.EMPTY;
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		}
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	}
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	/* (non-Javadoc)
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	 * @see org.eclipse.jface.viewers.IStructuredSelection#getFirstElement()
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	 */
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	/**
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	 * <p>getFirstElement</p>
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	 *
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	 * @return a {@link java.lang.Object} object.
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	 */
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	@Override
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    public Object getFirstElement() {
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		return structuredSelection.getFirstElement();
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	}
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	/* (non-Javadoc)
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	 * @see org.eclipse.jface.viewers.IStructuredSelection#iterator()
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	 */
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	/**
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	 * <p>iterator</p>
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	 *
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	 * @return a {@link java.util.Iterator} object.
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	 */
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	@Override
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    public Iterator<?> iterator() {
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		return structuredSelection.iterator();
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	}
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	/* (non-Javadoc)
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	 * @see org.eclipse.jface.viewers.IStructuredSelection#size()
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	 */
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	/**
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	 * <p>size</p>
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	 *
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	 * @return a int.
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	 */
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	@Override
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    public int size() {
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		return structuredSelection.size();
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	}
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	/* (non-Javadoc)
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	 * @see org.eclipse.jface.viewers.IStructuredSelection#toArray()
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	 */
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	/**
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	 * <p>toArray</p>
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	 *
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	 * @return an array of {@link java.lang.Object} objects.
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	 */
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	@Override
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    public Object[] toArray() {
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		return structuredSelection.toArray();
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	}
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	/* (non-Javadoc)
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	 * @see org.eclipse.jface.viewers.IStructuredSelection#toList()
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	 */
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	/**
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	 * <p>toList</p>
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	 *
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	 * @return a {@link java.util.List} object.
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	 */
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	@Override
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    public List<?> toList() {
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		return structuredSelection.toList();
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	}
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}
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